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688903eb | 1 | /* Copyright (C) 1997-2018 Free Software Foundation, Inc. |
4cca6b86 UD |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
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8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
4cca6b86 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
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15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
4cca6b86 | 17 | |
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18 | #include <sys/types.h> |
19 | #include <errno.h> | |
20 | #include <unistd.h> | |
4cca6b86 | 21 | |
ded5b9b7 | 22 | /* Truncate the file referenced by FD to LENGTH bytes. */ |
9756dfe1 | 23 | int |
9d46370c | 24 | __ftruncate64 (int fd, off64_t length) |
9756dfe1 UD |
25 | { |
26 | if ((off_t) length != length) | |
27 | { | |
28 | __set_errno (EINVAL); | |
29 | return -1; | |
30 | } | |
50304ef0 | 31 | return __ftruncate (fd, (off_t) length); |
9756dfe1 | 32 | } |
2958e6cc | 33 | weak_alias (__ftruncate64, ftruncate64) |